code: def test_attribution(self, name) -> None:
      p = bt.get_provider(getattr(bt, name))
      assert p.attribution == xyz.OpenStreetMap.Mapnik.html_attribution
  
imports: from __future__ import annotations
  import pytest
  import xyzservices.providers
  from bokeh.models import WMTSTileSource
  import bokeh.tile_providers
label_desc: Use image node_id 3 for calling the Test_OsmProvider obj's underlying member method code with example usage: obj.test_attribution(name) without return types